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Questions in physics

[Jawaban] What would make oppositely charged objects attract each other more? A. increasing the positive charge of the positively charged object and increasing the negative charge of the negatively charged object B. decreasing the positive charge of the positively charged object and decreasing the negative charge of the C. increasing the distance between the positively charged object and the negatively charged object D. maintaining the distance between the positively charged object and the negatively charged object

[Jawaban] Which two factors are used to calculate the kinetic energy of an object? A. gravity and velocity B. velocity and mass C. mass and volume D. volume and height

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] Super fine 40-gauge copper wire has a diameter of only 0.080 mm and weighs only $44.5 g / km$. Suppose a spool of 40-gauge wire weighs $575 g$ less after some wire is pulled off to wind a magnet. How could you calculate how much wire was used? Set the math up. But don't do any of it. Just leave your answer as a math expression. Also, be sure your answer includes all the correct unit symbols. length of wire = $\square$

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] Which object has the greater mass? Which object has the greater volume? Which object has the greater density?

[Jawaban] Which is the BEST abbreviation for the "Laws of Gravity" so that it can be clearly identified when studying from your notes? A. GV law B. L of G C. VGLity D. Newt's grav.

[Jawaban] $\begin{array}{l} \overrightarrow{r_1}=2 t i-t^2 j+\left(3 t^2-4 t\right) k \\ \overrightarrow{r_2}=\left(5 t^2-12 t+4\right) i+t^3 j-3 t k \end{array}$ Express in vector form, the radiative Velocity of the 2nd particle with respect to the 1st particle at [tex]$2 s$[/tex]. Find Velocity Vector of [tex]$\vec{r}_1=2$[/tex]

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?